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One-pot, efficient functionalization of multi-walled carbon nanotubes with diamines by microwave method
Authors:A AmiriM Maghrebi  M BaniadamS Zeinali Heris
Institution:Chemical Engineering Department, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran
Abstract:Diamines are known to act as a medium to bind miscellaneous compounds to carbon nanotubes (CNT). However, they are commonly applied in a tedious manner. Here, multi-walled carbon nanotubes (MWCNTs) were functionalized by a series of diamine molecules (ethylenediamine, 1,6-hexamethylenediamine and 1,4-diaminobenzen) in a one-pot, rapid microwave-assisted method. Surface functionality groups and morphology of MWCNTs were analyzed by infrared spectroscopy, thermogravimetric analysis, Raman spectroscopy, scanning electron microscopy, and transmission electron microscopy. The results consistently confirmed the formation of diamines functionalities on MWCNTs, while the structure of MWCNT has remained relatively intact. This simple and efficient process may play an important role for realizing miscellaneous functionalization of CNTs.
Keywords:Carbon nanotubes  Functionalization  Microwave  Diamines
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